package cn.xawl.gulimall.member.exception;

/**
 * @author lh
 * @create 2020-10-31 14:26
 **/
public class UsernameNotUniqueException extends RuntimeException{


    private static final long serialVersionUID = 5384866394818005647L;

    public UsernameNotUniqueException() {
        super("用户名不唯一！");
    }
}
